grave and acute, strong and weak, of which the human voice is capable. I answer, in pursuing the comparison of this organ with musical instruments, that their lengthening and shortening are sufficient to produce these effects.

"That these parts are capable of distention and contraction, is needless to be demonstrated in an assembly of Literati of your rank: but that in consequence of this distention and contraction, the Delphys can utter sounds more or less acute; in a word, all the inflexions of the voice, and modulation of singing; is a fact, which I flatter myself I shall put out of doubt. My appeal is to experiments. Yes, gentlemen, I engage to make both a Delphys and a Toy reason, speak, nay, and sing too, before ye."

Thus harangued Orcotomus, promising to himself nothing less than to raise the Toys to the level of the windpipes of one of his learned brethren, whose success